OpenXR SDK Files

OpenXR SDK 1.1.53 (2025-10-14)

This release contains three new vendor extensions and some code cleanups. The test_runtime expansion is primarily intended for CTS self-testing but may be useful in other development processes as well.

• SDK
• Improvement: fix clang-tidy bugprone-branch-clone warning (internal MR 3864, internal MR 4027)
• Improvement: Expand the "test_runtime" to implement all OpenXR 1.0 / OpenXR 1.1 functions for self-test purposes. (internal MR 3989)
• Improvement: Add stricter compiler flags to the loader and hello_xr, fixing issues found. (internal MR 4028, internal MR 4042)
• Loader: Fix: Remove unused function definition xrInitializeLoaderKHR to fix pedantic builds. (internal MR 4020)
• Registry
• Fix: Bump XR_ANDROID_trackables_object version for fix to orientation. (internal MR 4018)
• New vendor extension: XR_BD_facial_simulation for vendor-specific access to facial expressions. (internal MR 2925)
• New vendor extension: XR_BD_ultra_controller_interaction for PICO Ultra controller interaction profile. (internal MR 3789)
• New vendor extension specification: XR_ANDROID_face_tracking for vendor- specific access to facial expressions. (internal MR 3613)
• Update: Bump version of XR_MND_headless for clarification. (internal MR 3961)

Attached release artifacts are signed by specification editor Rylie Pavlik's key, with key fingerprint 45207B2B1E53E1F2755FF63CC5A2D593A61DBC9D. Link goes to full public key.

Additional binaries are available from the OpenXR-SDK-Source repo release 1.1.53